1.
Express 45,280,000 in scientific notation.
A.
4.528 × 10
-7
B.
4.528 × 10
7
C.
45.28 × 10
6
D.
4.528 × 10
6
Hint
2.
What is the degree of 42
x
5
y
2
z
?
A.
8
B.
2
C.
7
D.
5
Hint
3.
Use the distributive property to rewrite
without parentheses.
A.
24
x
- 4
B.
24
x
- 3
C.
24
x
- 24
D.
Hint
4.
Find
f(x + h)
for
f(x)
=
x
2
+ 2
x
.
A.
x
2
+ 2
x
+
h
B.
x
2
+ 2
x
+ 2
h
C.
x
2
+ 2
xh
+
h
2
+ 2
x
+ 2
h
D.
x
2
+ 2
xh
+
h
2
+ 2
x
Hint
5.
Find
f
(-2) for
f
(
x
) = 2
x
4
-
x
3
+ 5
x
+ 1.
A.
-29
B.
-57
C.
31
D.
-21
Hint
6.
Approximate the real zero of
f
(
x
) =
x
3
+
x
+ 1 to the nearest tenth.
A.
0.3
B.
-0.7
C.
-1.0
D.
-1.3
Hint
7.
Simplify
A.
B.
C.
27
x
3
n
y
6
D.
Hint
8.
Express the result in scientific notation.
A.
1.25 × 10
4
B.
1.25 × 10
-10
C.
1.25 × 10
-4
D.
1.25 × 10
10
Hint
9.
Simplify (7
x
2
+ 2
x
– 3) – (2
x
2
– 11
x
+ 4)
A.
B.
5
x
2
+ 13
x
– 7
C.
D.
Hint
10.
Write
in quadratic form.
A.
B.
C.
D.
Hint